86 lines
2.7 KiB
Diff
86 lines
2.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Leo Sandoval <lsandova@redhat.com>
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Date: Mon, 8 Apr 2024 10:59:25 -0600
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Subject: [PATCH] grub-core/loader/efi/linux.c: drop now unused
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grub_linuxefi_secure_validate
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Drop the now unused grub_linuxefi_secure_validate() as all prior users
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of this API now rely on the shim-lock-verifier codepath instead.
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This patch must not be ported to older editions of grub code bases
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that do not have verifiers framework, or it is not builtin, or
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shim-lock-verifier is an optional module.
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Signed-off-by: Dimitri John Ledkov <dimitri.ledkov@canonical.com>
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---
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grub-core/loader/efi/linux.c | 42 ------------------------------------------
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include/grub/efi/linux.h | 2 --
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2 files changed, 44 deletions(-)
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diff --git a/grub-core/loader/efi/linux.c b/grub-core/loader/efi/linux.c
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index ecb6d593cef..f5ab0128991 100644
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--- a/grub-core/loader/efi/linux.c
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+++ b/grub-core/loader/efi/linux.c
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@@ -89,48 +89,6 @@ static grub_efi_load_file2_t initrd_lf2 = {
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grub_efi_initrd_load_file2
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};
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-#define SHIM_LOCK_GUID \
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- { 0x605dab50, 0xe046, 0x4300, {0xab, 0xb6, 0x3d, 0xd8, 0x10, 0xdd, 0x8b, 0x23} }
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-
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-struct grub_efi_shim_lock
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-{
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- grub_efi_status_t (*verify) (void *buffer, grub_uint32_t size);
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-};
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-typedef struct grub_efi_shim_lock grub_efi_shim_lock_t;
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-
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-// Returns 1 on success, -1 on error, 0 when not available
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-int
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-grub_linuxefi_secure_validate (void *data, grub_uint32_t size)
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-{
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- grub_guid_t guid = SHIM_LOCK_GUID;
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- grub_efi_shim_lock_t *shim_lock;
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- grub_efi_status_t status;
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-
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- shim_lock = grub_efi_locate_protocol(&guid, NULL);
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-
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- grub_dprintf ("secureboot", "shim_lock: %p\n", shim_lock);
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- if (!shim_lock)
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- {
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- grub_dprintf ("secureboot", "shim not available\n");
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- return 0;
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- }
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-
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- grub_dprintf ("secureboot", "Asking shim to verify kernel signature\n");
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- status = shim_lock->verify (data, size);
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- grub_dprintf ("secureboot", "shim_lock->verify(): %ld\n", (long int)status);
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- if (status == GRUB_EFI_SUCCESS)
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- {
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- grub_dprintf ("secureboot", "Kernel signature verification passed\n");
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- return 1;
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- }
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-
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- grub_dprintf ("secureboot", "Kernel signature verification failed (0x%lx)\n",
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- (unsigned long) status);
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-
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- return -1;
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-
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-}
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-
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wcast-align"
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diff --git a/include/grub/efi/linux.h b/include/grub/efi/linux.h
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index b2cfd8c1f44..c806a7757f3 100644
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--- a/include/grub/efi/linux.h
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+++ b/include/grub/efi/linux.h
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@@ -22,8 +22,6 @@
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#include <grub/err.h>
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#include <grub/symbol.h>
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-int
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-EXPORT_FUNC(grub_linuxefi_secure_validate) (void *data, grub_uint32_t size);
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grub_err_t
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EXPORT_FUNC(grub_efi_linux_boot) (void *kernel_address, grub_off_t offset,
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void *kernel_param);
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